Urban: Manhattan, NY

Hiking park-to-park in the Big Apple is not for solitude seekers. But what’s a little trail sharing between a few million friends? On this 7.6-mile trek, you’ll wander skyscraper canyons and ford rivers of people. (Prefer quiet trails? ) INFO No camping in parks. nyctourist.com. Trip data: backpacker.com/hikes/609467